Tim Baumgartner is a partner in the Corporate & Financial Services Department and a member of Willkie’s Insurance Transactional and Regulatory Practice Group. Tim has extensive experience advising on a wide range of corporate transactions, including international and domestic M&A (including competitive auction processes on the buy and sell side), joint ventures and long-term strategic partnerships, intra-group restructurings and general corporate advisory work. In additional to general corporate transactions, Tim has a particular focus in the insurance sector, advising on the full spectrum of corporate insurance transactions, which in addition to the above includes transactions within the Lloyd’s market, portfolio transfers and complex reinsurance transactions for both life and non-life businesses.

Tim has been recognised in The Legal 500 for Insurance: Corporate and Regulatory. He was noted as having “…deep technical expertise in the M&A area and general corporate law. He is a great lawyer to work with and quickly absorbs the client’s needs and specific requirements. Tim is a solution-oriented lawyer.


Prior to joining Willkie in 2022, Tim was a partner in the Corporate Department at another international law firm. He also previously worked for seven years in the London office of a New York-based international law firm.

Tim has advised on the following selected significant matters.*

Recent corporate insurance transactions advising:

  • AIG on the sale and reacquisition of its Greek intermediary operations
  • Aon on a number of M&A transactions globally, including by way of MBOs, and including recent transactions in Pakistan and Guam
  • ARAG, a premium provider of legal expense insurance, on the acquisition of the Irish and UK branch business of DAS Insurance
  • Ariel Re and its key shareholders on further investment from National Indemnity Company, a subsidiary of Berkshire Hathaway
  • Athora on the sale of its non-life business in Belgium to Baloise
  • Best Doctors on the sale of its international medical insurance business to a subsidiary of the Primary Group
  • Compre on a number of its legacy insurance transactions with Generali, QBE, Partner Re, Baloise, Hannover and AG Insurance
  • Compre’s management team on the sale of Compre from CBPE to Cinven
  • Cover-More on the acquisition of Blue Insurance (Ireland) from its founder shareholders
  • CVS and Aetna International on the preferred partnership deal involving Aetna International’s International Private Medical Insurance business outside of the Americas, Thailand and India
  • Fosun (Chinese based conglomerate) on a number of confidential, high-value acquisitions of insurance groups
  • MetLife Inc. and American Life Insurance Company (ALICO) on the sale of part of their UK branch business to Admin Re
  • Pelican Ventures on the acquisition of Ariel Re from Argo Group International Holdings and the investment as part of the deal from J.C. Flowers
  • Premia on the acquisition of Armour Re Limited and Reliance National Insurance Company Europe
  • Saudi Reinsurance Company on the sale its 49.9% stake in Probitas to Aviva plc
  • Scottish Widows on a longevity reinsurance transaction with Swiss Re
  • Tawa on the acquisition of PXRE Reinsurance Company, Pro Insurance, Island Capital and KX Re (and sale of KX Re)
  • Zurich on the acquisition of intermediaries Oak Underwriting and Tennyson Insurance (both UK)
  • Zurich on the sale to RiverStone of the non-life insurance business (in run off) of Eagle Star Insurance Company
  • Zurich on a number of other confidential transactions globally including those involving the transfer of renewal rights, significant transitional services arrangements and bancassurance arrangements

Other recent general corporate transactions advising:

  • Aviva Investors on the sale of its Central European Property Fund to Partners Group
  • Hain Celestial on acquisition of Ella’s Kitchen from its founder shareholders and also the acquisition and subsequent sale of its Tilda rice business to Ebro
  • Discovery on its joint venture in Poland with Polsat and the launch of an video on demand platform
  • Dynamo Software on the sale by its founder shareholders to Francisco Partners
  • Leidos on its acquisition of the security detection and automation business of L3 Harris
  • Skanska on the sale of its interest in the A1 motorway joint venture to DIF Infrastructure and Swiss Life Funds
  • Sulzer on the acquisition of P.C. Cox’s UK and US operations
  • Sulzer Chemtech on its investment into Worn Again Technologies and acquisition of PC Cox

Recent global reorganizations advising:

  • GE Capital on the restructuring of its European equipment services business prior to its sale to HNA
  • Kimberly-Clark on restructuring of its healthcare business prior to its spin-off as Halyard Health (now known as Avanos Medical)
  • Lockheed Martin on the pre-sale restructuring of its IS&GS business prior to its sale to Leidos
  • Merlin Entertainments on a number of internal strategic reorganizations

*Tim advised on these matters prior to joining Willkie.



Oxford Institute of Legal Practice, LPC, 2005 Oxford University, Masters of Law, 2004 Allegheny College, B.A., 1999

Bar Admissions

England & Wales